chore(main): release chrome-devtools-mcp 0.21.0 (#1215)

🤖 I have created a release *beep* *boop*
---


##
[0.21.0](chrome-devtools-mcp-v0.20.3...chrome-devtools-mcp-v0.21.0)
(2026-04-01)


### 🎉 Features

* add a skill for detecting memory leaks using take_memory_snapshot tool
([#1162](#1162))
([d19a235](d19a235))


### 🛠️ Fixes

* **cli:** avoid defaulting to isolated when userDataDir is provided
([#1258](#1258))
([73e1e24](73e1e24))
* list_pages should work after selected page is closed
([#1145](#1145))
([2664455](2664455))
* mark lighthouse and memory as non-read-only
([#1769](#1769))
([bec9dae](bec9dae))
* **telemetry:** record client name
([9a47b65](9a47b65))
* versioning for Claude Code plugin
([#1233](#1233))
([966b86f](966b86f))
* wrap .mcp.json config in mcpServers key
([#1246](#1246))
([c7948cf](c7948cf))


### 📄 Documentation

* Command Code CLI instructions for MCP server
([0a7c0a7](0a7c0a7))
* provide disclaimer about supported browsers
([#1237](#1237))
([8676b72](8676b72))


### 🏗️ Refactor

* set process titles for easier debugging
([#1770](#1770))
([0fe3896](0fe3896))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

---------

Co-authored-by: Alex Rudenko <alexrudenko@chromium.org>

Author: browser-automation-bot

.claude-plugin/marketplace.json

@@ -1,6 +1,6 @@
 {
   "name": "chrome-devtools-plugins",
-  "version": "0.20.3",
+  "version": "0.21.0",
   "description": "Bundled plugins for actuating and debugging the Chrome browser.",
   "repository": "https://github.com/ChromeDevTools/chrome-devtools-mcp",
   "owner": {

.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "chrome-devtools-mcp",
-  "version": "0.20.3",
+  "version": "0.21.0",
   "description": "Reliable automation, in-depth debugging, and performance analysis in Chrome using Chrome DevTools and Puppeteer",
   "mcpServers": {
     "chrome-devtools": {

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.20.3"
+  ".": "0.21.0"
 }

CHANGELOG.md

@@ -1,5 +1,33 @@
 # Changelog
 
+## [0.21.0](https://github.com/ChromeDevTools/chrome-devtools-mcp/compare/chrome-devtools-mcp-v0.20.3...chrome-devtools-mcp-v0.21.0) (2026-04-01)
+
+
+### 🎉 Features
+
+* add a skill for detecting memory leaks using take_memory_snapshot tool ([#1162](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1162)) ([d19a235](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/d19a2350f975ec2fbf8ee61b35163a48c0146c32))
+
+
+### 🛠️ Fixes
+
+* **cli:** avoid defaulting to isolated when userDataDir is provided ([#1258](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1258)) ([73e1e24](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/73e1e24b26f9e42a83116b586e34d47276a6a2fa))
+* list_pages should work after selected page is closed ([#1145](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1145)) ([2664455](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/26644553028d8404fd65a005ea9c19a278671f4d))
+* mark lighthouse and memory as non-read-only ([#1769](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1769)) ([bec9dae](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/bec9dae2d26b728feedcd660189f386e6228f3ae))
+* **telemetry:** record client name ([9a47b65](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/9a47b657d7b17b9bc64508530c93d55e8033e2a6))
+* versioning for Claude Code plugin ([#1233](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1233)) ([966b86f](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/966b86f3aaa9f87c2599b954c4e7f990c2a697ea))
+* wrap .mcp.json config in mcpServers key ([#1246](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1246)) ([c7948cf](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/c7948cf0621d80b080220d4cfd36b62bef2790b9))
+
+
+### 📄 Documentation
+
+* Command Code CLI instructions for MCP server ([0a7c0a7](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/0a7c0a74b471935a3e2f5ca0fd93556e8e5165ec))
+* provide disclaimer about supported browsers ([#1237](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1237)) ([8676b72](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/8676b7216c66dfd323c2f6c272544a75dbab4dba))
+
+
+### 🏗️ Refactor
+
+* set process titles for easier debugging ([#1770](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1770)) ([0fe3896](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/0fe3896d85c74ce8b2dc189fe8a310727f795344))
+
 ## [0.20.3](https://github.com/ChromeDevTools/chrome-devtools-mcp/compare/chrome-devtools-mcp-v0.20.2...chrome-devtools-mcp-v0.20.3) (2026-03-20)
 
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "chrome-devtools-mcp",
-  "version": "0.20.3",
+  "version": "0.21.0",
   "description": "MCP server for Chrome DevTools",
   "type": "module",
   "bin": {

package.json

@@ -7,13 +7,13 @@
     "url": "https://github.com/ChromeDevTools/chrome-devtools-mcp",
     "source": "github"
   },
-  "version": "0.20.3",
+  "version": "0.21.0",
   "packages": [
     {
       "registryType": "npm",
       "registryBaseUrl": "https://registry.npmjs.org",
       "identifier": "chrome-devtools-mcp",
-      "version": "0.20.3",
+      "version": "0.21.0",
       "transport": {
         "type": "stdio"
       },

server.json

@@ -6,5 +6,5 @@
 
 // If moved update release-please config
 // x-release-please-start-version
-export const VERSION = '0.20.3';
+export const VERSION = '0.21.0';
 // x-release-please-end